# Hello I am prachi from shankargarh student of jnv rewa .if anyone knows the answer of my question plz help me .I am also preparing iit

Khimraj
3007 Points
4 years ago
Let volume of doll i x.
As temperature is constant
PV = constant
P1(V1 – x) = P2(V2 -x )
10(800 – x) = 7(1000 – x)
8000 – 10x = 7000 – 7x
3x = 1000
x = 1000/3